ClassX Video Lessons Grade Grade 9

Category: Grade 9

Your online life, permanent as a tattoo – Juan Enriquez

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Why don’t oil and water mix? – John Pollard

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How one teenager unearthed baseball’s untold history – Cam Perron

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History vs. Vladimir Lenin – Alex Gendler

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The family structure of elephants – Caitlin O’Connell-Rodwell

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How languages evolve – Alex Gendler

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The Silk Road: Connecting the ancient world through trade – Shannon Harris Castelo

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Tycho Brahe, the scandalous astronomer – Dan Wenkel

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Why aren’t we only using solar power? – Alexandros George Charalambides

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A guide to the energy of the Earth – Joshua M. Sneideman

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